To recover your password open STG and in the login window enter your User Name and Organization then press on the 'Forgot Password' link.
It will allow you to reset your password.
In case you don't remember your registration details you can contact the Dooblo support team.
This method is relevant to users that have added their E-Mail to their user in the Studio:
If your user does not have an E-Mail and you need your password recovered, please refer to this guide: